JVC Car KDG340 50W X 4 AM/FM/CD/MP3 Receiver CD receiver with built-in MOSFET amplifier (20 watts RMS/50 peak x 4 channels) Plays CDs, CD-Rs, and CD-RWs (including discs loaded with MP3 and WMA files) Compatible with optional JVC iPod adapter, satellite radio, HD Radio tuner, Bluetooth adapter, CD changer Inputs: front-panel auxiliary input Outputs: one set of preamp outputs (selectable subwoofer output)